USCG-STCW-DECK-L1.3

GT and GRT: the pairing logic

USCG-STCW-DECK-M1 · The STCW Deck Framework · USCG-STCW-DECK-M1-A National and STCW endorsements, when STCW attaches, GT against GRT, and the yacht trap.

National endorsements count **GRT**; STCW endorsements count **GT**. The bands do not line up neatly, and the regulations pair them deliberately.

AI-drafted catalogue content pending SME review. STCW deck endorsements depend on vessel GT, route and equipment and on an individual NMC evaluation of sea service and assessments, so no pathway here is a guarantee of issue; verify with the National Maritime Center and the current NMC checklists before applying.